Abstract: A toilet plunger structure is disclosed. It comprises a shell having a handle, a trigger pivotally connected to the handle and having a push part, an accommodating slot corresponding to the push part for accommodating a gas container and a positioning slot; a smasher having a positioning seat accommodated in the positioning slot of the shell and having a positioning hole and a firing pin disposed in the positioning hole; a gas pipe provided with a connecting pipe having a connecting seat connected to the positioning seat for fixation, a protecting pipe sleeved on the connecting pipe and a connecting member connected to the protecting pipe; and a dredge connector having a connecting part for correspondingly connecting the connecting member, a plugging part disposed at a bottom of the connecting part and a though hole passing through the connecting part to the plugging part for receiving the connecting pipe.